Re: Chevy 250 Cid engine problem..

Posted by Mike Burdick on July 24, 2005 at 12:39:11 from (67.4.47.39):

In Reply to: Re: Chevy 250 Cid engine problem.. posted by 1966ChevyC-10 on July 24, 2005 at 11:29:52:

My engine has an electronic ignition system and it looks fine. Good thought though.

When the engine was running it sounded like something rubbing but couldn’t pinpoint the source. My first impression was that is was coming from the carburetor area.

A couple of other facts:

The oil indicator is a pressure type from the engine – not electric.
Before I removed the pan I drained the oil. I ran a magnet thru it and found no metal or filings. When I removed the pan there wasn"t any broken pieces of metal in it.
Took compression test and all cylinders were within specification and all readings were close to each other within a few psi.
From the bottom the cylinder walls feel smooth (what I could see of them) and the engine has not used any oil.

The truck is only used around the ranch so it has only 36,529 miles on it and the engine. Everything was in good working condition and I change the oil and filter on it every 2,000 miles plus or minus a few.

I can understand something going wrong in the ignition system or the carburetion but with it combined with the oil pressure dropping – this has really got me baffled!

Any and all help and suggestion are sure welcome.

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